EGU '12 Crustal heatflow & its influence on the Earth system

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EGU '12 Crustal heatflow & its influence on the Earth system

#1 Post by julian.kuhlmann » Fri Nov 25, 2011 2:08 pm

Apologies for multiple/cross-postings, but we would like to draw your attention to the following session at EGU 2012 in Vienna and invite you to submit an abstract:

GD2.3 Crustal heatflow and its influence on the Earth system (co-listed in OS - Ocean Sciences and CR - Cryospheric Sciences)

Convener: Alan Vaughan

Co-Conveners: Irina Rogozhina, Nick Kusznir

Link: ... ssion/9639

From pole to equator to pole, heat from the Earth's interior interacts with surface processes. Large-scale crustal structure, sub-glacial melt distribution, palaeoclimate records, oceanic thermal state, oceanic abyssal circulation and potential field geophysics are just some of the science areas that can benefit from its study. Surface geothermal heat flux provides valuable constraints not only on the thermal structure of the lithosphere and density of radioactive elements in the continental crust but also on the present-day state of the Earth's mantle. The study of geothermal heat flux also has socio-economical applications, in particular the problem of extraction of geothermal energy from the crust.

Major uncertainties in surface geothermal heat flux exist (ice-covered regions, deep parts of the ocean) so it is very important to know geothermal heat flux distribution in these regions (it may control subglacial melting, basal sliding, or oceanic circulation). Uncertainties in surface geothermal heat flux distribution, which is strongly inhomogeneous all over the globe, arise from a large number of factors: mantle plumes, upwellings and downwellings in the mantle, plate tectonics, inhomogeneous thickness of the crust including local topographic effects on the continents in the areas of deep valleys and high mountains, lateral variations in thermal structure of the crust, its geological composition and concentration of radioactive elements in its continental part. We can't disconnect the crust from the mantle because geothermal heat flux is the product of both.

This session invites contributions on all aspects of crustal heatflow and geothermal gradient - measured, modelled and applied.

15 December 2010 is the closing date for applications for support. ... pport.html

The deadline for abstract submission is 10 January 2011 at 23.59 CET, with details at: ... tract.html

You can browse through all the Sessions at: ... nprogramme

Please don't hesitate to contact me if you have any queries.

Dr. Alan P.M. Vaughan
Workpackage Manager Continental Interiors
(Earth Sciences editor - Antarctic Science)
Environmental Change and Evolution
British Antarctic Survey
High Cross
Madingley Rd.
Cambridge CB3 0ET

Tel. -44-1223-221419
Fax -44-1223-362616
Web: ... user=apmva

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